//Parse the time from String using SimpleDateFormat and set it to cal, reset other fields
Calendar cal = Calendar.getInstance();
cal.setTime(parsedTimeinDate);
cal.set(Calendar.MONTH,0);
cal.set(Calendar.YEAR,2000);
cal.set(Calendar.DATE,1);
//reset other fields for now calendar those aren't related to time
Calendar calNow = Calendar.getInstance();
calNow .set(Calendar.MONTH,0);
calNow .set(Calendar.YEAR,2000);
calNow .set(Calendar.DATE,1);
//determine
cal.before(calNow);